Engine Mechanical: 1D-27
• Install the pistons and piston pins.
NOTE
• Be sure to install the pistons in the
cylinders from which they were removed in
disassembly, refer to the cylinder
numbers, #1 through #4, scribed on the
piston.
• When installing the pistons, the indent “A”
on the piston head must be faced to each
exhaust side.
• Place a clean rag over the cylinder base so as not to
drop the piston pin circlips (1) into the crankcase.
• Install the piston pin circlips (1).
CAUTION
!
Use new piston pin circlips (1) to prevent
circlip failure which will occur with a bend
one.
NOTE
End gap of the circlip (1) should not be
aligned with the cutaway in the piston pin
bore.
CAUTION
!
When turning the crankshaft, pull the cam
chain upward, or the chain will be caught
between the crankcase and the cam drive
sprocket.
• Position the piston ring gaps as shown. Before
inserting each piston into its cylinder, check that the
gaps are properly positioned.
Cylinder
• Install the dowel pins and cylinder gasket (1).
CAUTION
!
Replace the cylinder gasket (1) with a new
one.
“A”
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1
I717H1140077-01
“B”: 2nd ring and lower side rail
“C”: Upper side rail
“D”: 1st ring and spacer
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EX
IN
“C”
“B”
“D”
I718H1140051-01
1
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